Are polycarbonate lenses real tough? - Buy Cheap Glasses Online, Prescription Glasses Frames Expert

Nickolas Eyeglasses · #1 (**permalink**) 10-13-2010, 10:17 PM

I am thinking to buy a pair of glasses for my 5 year old kid. He often brokes his glasses. So I was thinking of buying him a new pair that is durable. I learned about this polycarbonate lenses. So, are they real tough? can they stand?

Luke Eyeglasses · #2 (**permalink**) 11-10-2010, 05:49 AM

Polycarbonate lens is made of durable material and has high impact resistance. The material is also laminated to make bullet-resistant windows. A defect of polycarbonate lenses is that they have low scratch resistance, so that most of the lenses are applied with a hard coating. And in fact, most of the polycarbonate lenses come with a factory-applied, scratch resistant coating

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